Finding the Fourth Proportional to 13,620,295.26, 18,796,135.86 and 7,508,942.46
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Solution
The fourth proportional to 13,620,295.26, 18,796,135.86 and 7,508,942.46 is: 10,362,411.38
Step by Step Solution
- Step 1: Write the proportion equation
13,620,295.26 : 18,796,135.86 = 7,508,942.46 : x - Step 2: Convert to fraction form
13,620,295.26/18,796,135.86 = 7,508,942.46/x - Step 3: Cross multiply
13,620,295.26x = 18,796,135.86 × 7,508,942.46 - Step 4: Simplify right side
13,620,295.26x = 141,139,102,643,082.62 - Step 5: Solve for x
x = 141,139,102,643,082.62/13,620,295.26 - Step 6: Final answer
x = 10,362,411.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.